The following user guide will give step-by-step instructions on how to change read/write heads with this set of HddSurgery head replacement tools on both 2.5" and 3.5" Western Digital hard drives. More details about this tool set can be found on our website

HddSurgery HDDS WDC 2.5” – 3.5” Ramp Set is a set of head replacement tools which can be used to safely and easily replace heads on almost all 2.5” and 3.5” Western Digital hard drives which “park heads” on a ramp. Set contains 5 pairs (10 pieces) of head replacement tools: WDC 3.5” Ramp p1, WDC 3.5” Ramp p2-3, WDC 3.5” Ramp p4, WDC 2.5” Ramp p1-2 and WDC 2.5” Ramp p3.

WDC 3.5” Ramp p4WDC 3.5” Ramp p4 head replacement tool can be used on 3.5” Western Digital hard drive models AAKS, AACS, EADS, EARS, EACS, EZRX and all other models with 4 platters from families: Jupiter, Hulk and DragFly4.

WDC 2.5” Ramp p1-2This head replacement tool can be used on 2.5” Western Digital hard drive models BEVT, BEKT, BEVS, BMVV and all other models with 1 or 2 platters from families: Mariner, Mercury, Zephyr, Marn5 4K, Esprit, Europa and other.

WDC 2.5” Ramp p3This head replacement tool can be used on 2.5” Western Digital hard drive models TMVV, TPVT, TMVW and all other models with 3 platters from families: Helios, Shasta 3D and other.

Head replacement on 3.5” hard drives

Step 1 – Mounting the tool on actuator arm

Remove screws holding flat cable contact and with a finger push contact from the bottom upwards to release it. The pressure from below may cause flat cable contacts to pop out and possibly damage platters, so hold firmly top of a flat cable contact with another hand while pushing related plastic. Before applying pressure, remove screws from their holes.

Carefully center the axis of the tool over the larger round hole near the top of the head arm (near the heads themselves). Take care that the snouts stand away from the heads, and push the axis of the tool all the way down through the hole. Axis of the tool should go easily through this hole.

Step 2 - Securing the heads with the tool

Push the tool so the snouts go between the heads. Snouts should not move or lift the heads. They will just keep the distance between them and assure that the heads don’t touch each other. Secure the tool in this position with provided securing pin. Pin should go through the hole easily.

Step 3 - Moving the heads off the ramp

Remove the security brake and scroll the heads off the ramp. When heads are off the ramp, tool will prevent the heads from touching each other and head assembly can be safely and easily transferred to another drive.

Step 4 - Dismounting the heads

To lift the head assembly, tweezers are needed. Use tweezers to grab the head assembly through one of the holes on the head arm. Pull the head arm up using the tweezers. To make sure that the head assembly goes straight up, use one finger to pull the back side of the head arm (side where the magnetic coil is) simultaneously. Don’t try to dismount the heads by pulling the tool.

Step 5 – Mounting the heads in a patient drive

Place the head assembly with the tool to its place in a patient hard drive using the tweezers. Assist the process with your other hand.

Step 6 – Moving the heads to the ramp

Push the heads over the ramp. While holding the heads on the ramp, use tweezers to return the security brake to its place.

Step 7 – Dismounting the tool

Remove the security pin from the tool. Scroll the tool away from the heads. While holding the head arm in its place with one hand, pull the axis of the tool out of the hole to dismount the tool.

Put the lid back and close the disk. Put PCB back and clone the drive.

Head replacement on 2.5” hard drives

Step 1 – Mounting the tool on actuator arm

With your finger, push the head connector from the bottom upwards to release it. The pressure from below may cause flat cable contacts to pop out and possibly damage platters, so hold firmly top of a flat cable contact with another hand while pushing related plastic. Also, while handling this connector, make sure that the heads stay on the ramp.

Carefully center the axis of the tool over the smaller round hole near the top of the head arm (near the heads themselves). Take care that the snouts stand away from the heads, and push the axis of the tool all the way down through the hole. Axis of the tool should go easily through this hole.

Step 2 – Securing the heads with the tool

Push the tool so the snouts go between the heads. Snouts should not move or lift the heads. They will just keep the distance between them and assure that the heads don’t touch each other. Secure the tool in this position with provided securing pin. Pin should go through the hole easily.

Step 3 – Moving the heads off the ramp

Remove the security brake and scroll the heads off the ramp. When heads are off the ramp, tool will prevent the heads from touching each other and head assembly can be safely and easily transferred to another drive.

Step 4 – Dismounting the heads

To lift the head assembly, tweezers are needed. Use tweezers to grab the head assembly through one of the holes on the head arm. Pull the head arm up using the tweezers. To make sure that the head assembly goes straight up, use one finger to pull the back side of the head arm (side where the magnetic coil is) simultaneously. Don’t try to dismount the heads by pulling the tool.

Step 5 – Mounting the heads in a patient drive

Place the head assembly with the tool to its place in a patient hard drive using the tweezers. Assist the process with your other hand.

Step 6 – Moving the heads to the ramp

Push the heads over the ramp. While holding the heads on the ramp, use tweezers to return the security brake to its place.

Step 7 – Dismounting the tool

Remove the security pin from the tool. Scroll the tool away from the heads. While holding the head arm in its place with one hand, pull the axis of the tool out of the hole to dismount the tool.

Put the lid back and close the disk. Put PCB back and clone the drive.

You can find more information about this tool and many other tools used for data recovery on our website.

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